Bocadillo de Tortilla
(boh-kah-DEE-yoh deh tohr-TEE-yah)
Mañanas y Meriendas (The Rhythms of Morning and Afternoon)
If there is a single smell that instantly transports a Spaniard back to childhood, it is the scent of potatoes and onions slowly poaching in olive oil. To the uninitiated, stuffing a thick, custardy potato omelet into a loaf of crusty bread seems like a carb-on-carb fever dream. But when done the real way—the way the grandmothers do it—it is magic. The secret is that an authentic Spanish tortilla is never dry; it is rich, juicy, and cohesive. We don't rush this; we confit the potatoes until they practically melt, soak them in beaten eggs so the starches release, and slide that golden wedge inside a baguette smeared unapologetically with good mayonnaise.
Ingredients
- extra virgin olive oil1 1/2 cup
- Yukon Gold potatoes3 large
- yellow onion1 large
- eggs5 large
- egg yolk1 large
- kosher salt1 1/2 tsp
- rustic baguette1 large
- high-quality mayonnaise1/4 cup
- Italian frying peppers2 med
Method
- 01
Confit the potatoes and onions in olive oil over medium-low heat.
Place a large skillet over medium-low heat, pour in the olive oil, and add the potatoes and onions. You are not frying them; the oil should bubble very gently for 20 to 25 minutes until the potatoes are incredibly tender and the onions are sweet and translucent.
- 02
Drain the potato mixture and reserve the oil.
Pour the potatoes and onions into a large colander set over a heat-proof bowl. Let them cool for a minute or two, saving that beautifully flavored oil in a jar for future use.
- 03
Fold the hot potatoes into the beaten eggs and walk away for ten minutes.
In a large bowl, whisk the eggs, extra yolk, and 1 teaspoon of the salt until frothy. Gently fold in the hot potato mixture and let it rest undisturbed for 5 to 10 minutes; the heat will temper the eggs and release the starches to create a thick, cohesive batter.
- 04
Pour the batter into a hot skillet and shape the edges.
Heat a smaller, 8-to-9-inch non-stick skillet over medium-high heat with 1 teaspoon of the reserved oil. Pour in the mixture, swirling the pan gently and using a rubber spatula to tuck the edges inward until the bottom is lightly golden but the top is still wet, about 2 minutes.
- 05
Confidently flip the tortilla using a flat plate.
Place a flat plate upside down over the skillet, put your hand firmly on the plate, and in one quick, confident motion, invert the pan so the tortilla drops onto the plate.
- 06
Slide the tortilla back into the pan to finish cooking off the heat.
Return the skillet to the stove, reduce the heat to low, and gently slide the tortilla off the plate to cook the wet side. Use your spatula to round the edges, then turn the heat off entirely and let the residual heat finish it for 1 to 2 minutes so the inside remains juicy and soft.
- 07
Assemble the sandwich with generous amounts of mayonnaise and the warm tortilla.
Smear a heavy layer of mayonnaise on both sides of the sliced baguette to prevent a dry sandwich. Cut a thick wedge of the warm tortilla, place it on the bread, top with blistered peppers if using, and press down slightly so the savory juices meld into the crumb.
Notes
Use the right potato.
American Russets will disintegrate into mush and reds are far too waxy; the Yukon Gold perfectly mimics Spain's preferred Monalisa variety for the proper starchy-yet-creamy bind.
The extra yolk is crucial.
Adding one extra yolk to the egg mixture increases the fat content, ensuring the deeply authentic, juicy interior required to properly lubricate the sandwich bread.